IPad screen not working. I updated and restored it on iTunes and it is still unresponsive.
Have you tried a Reset...
Press and hold the Sleep/Wake button and the Home button at the same time for at least ten seconds, until the Apple logo appears. Release the Buttons.
I tried that and it is still unresponsive.
See Here for Unresponsive iPad http://support.apple.com/kb/TS3281
iPad: Basic troubleshooting
iTunes: Specific update-and-restore error messages and advanced troubleshooting
Retrieving data ...